diff --git a/package.json b/package.json
index e2efc31..5b5f576 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hyphen/sdk",
-  "version": "3.1.0",
+  "version": "4.0.0",
   "description": "Hyphen SDK for Node.js",
   "repository": {
     "type": "git",